Legal claims defining the scope of protection, as filed with the USPTO.
1. A display apparatus, comprising: a plurality of pixels, wherein each pixel comprises a light emitting element; a driving circuit configured to control selection of pixels, the driving circuit comprising: a logic circuit; and a switch circuit configured to receive a reference signal and an enable signal, the reference signal having a first logic level or a second logic level, the switch circuit being further configured to provide a part of the enable signal to the logic circuit when the reference signal has the first logic level, wherein the reference signal is associated with at least one line of pixels, wherein a pulse width of the enable signal is shorter than a horizontal scan period, and wherein the switch circuit comprises a transistor having a gate terminal configured to receive the reference signal, a second terminal configured to receive the enable signal, and a third terminal coupled to the logic circuit.
2. The display apparatus of claim 1 , wherein the light emitting element is an organic EL device.
3. The display apparatus of claim 1 , wherein the logic circuit comprises an AND gate that generates a scan signal for a first line of pixels.
4. The display apparatus of claim 1 , wherein the switch circuit further comprises an inverter that provides the reference signal to the gate terminal of the transistor.
5. The display apparatus of claim 4 , wherein the transistor is a first transistor, and wherein the switch circuit further comprises a second transistor coupled in parallel with the first transistor, wherein the first transistor is a p-type transistor and the second transistor is an n-type transistor.
6. The display apparatus of claim 1 , wherein the logic circuit includes a first input terminal and a second input terminal, the first input terminal is connected to the gate terminal of the transistor, and the second input terminal is connected to the third terminal of the transistor.
7. The display apparatus of claim 6 , wherein the light emitting element is an organic EL device, at least one of the plurality of pixels includes a first transistor, a second transistor, and a pixel capacitor, the first transistor is configured to supply a video signal to the pixel capacitor, the second transistor is configured to drive the light emitting element according to the video signal, and the driving circuit is configured to supply a scan signal to a gate terminal of the second transistor.
8. The display apparatus of claim 7 , wherein at least one of the plurality of pixels further includes a third transistor, a fourth transistor, and fifth transistor, a gate terminal of the second transistor is connected to a reference potential via the fourth transistor, a second terminal of the second transistor is connected to a first potential via the third transistor, and an anode of the light emitting element is connected to a second potential via the fifth transistor.
9. The display apparatus of claim 1 , wherein at least one of the plurality of pixels includes a first transistor, a second transistor, and a pixel capacitor, the first transistor is configured to supply a video signal to the pixel capacitor, the second transistor is configured to drive the light emitting element according to the video signal, and the driving circuit is configured to supply a scan signal to a gate terminal of the first transistor.
10. The display apparatus of claim 9 , wherein at least one of the plurality of pixels further includes a third transistor, a fourth transistor, and fifth transistor, a gate terminal of the second transistor is connected to a reference potential via the fourth transistor, a second terminal of the second transistor is connected to a first potential via the third transistor, and an anode of the light emitting element is connected to a second potential via the fifth transistor.
11. A display device, comprising: a plurality of pixels, wherein each pixel comprises a light emitting element; and a driving circuit configured to control selection of pixels, the driving circuit comprising: a logic circuit; and a switch circuit configured to receive a reference signal and an enable signal, wherein the reference signal is associated with at least one line of pixels, wherein the switch circuit comprises a transistor having a gate terminal configured to receive the reference signal, a second terminal configured to receive the enable signal, and a third terminal coupled to the logic circuit, wherein the enable signal has a plurality of enable pulses, wherein a pulse width of each of the plurality of enable pulses is shorter than a horizontal scan period, and wherein the transistor is configured to provide a part of the plurality of enable pulses to the logic circuit when the transistor is conductive state.
12. The display device of claim 11 , wherein the light emitting element is an organic EL device.
13. The display device of claim 11 , wherein the logic circuit comprises an AND gate that generates a scan signal for a first line of pixels.
14. The display device of claim 11 , wherein the switch circuit further comprises an inverter that provides the reference signal to the gate terminal of the transistor.
15. The display device of claim 14 , wherein the transistor is a first transistor, and wherein the switch circuit further comprises a second transistor coupled in parallel with the first transistor, wherein the first transistor is a p-type transistor and the second transistor is an n-type transistor.
16. The display device of claim 11 , wherein the logic circuit includes a first input terminal and a second input terminal, the first input terminal is connected to the gate terminal of the transistor, and the second input terminal is connected to the third terminal of the transistor.
17. The display device of claim 16 , wherein the light emitting element is an organic EL device, at least one of the plurality of pixels includes a first transistor, a second transistor, and a pixel capacitor, the first transistor is configured to supply a video signal to the pixel capacitor, the second transistor is configured to drive the light emitting element according to the video signal, and the driving circuit is configured to supply a scan signal to a gate terminal of the second transistor.
18. The display device of claim 17 , wherein at least one of the plurality of pixels further includes a third transistor, a fourth transistor, and fifth transistor, a gate terminal of the second transistor is connected to a reference potential via the fourth transistor, a second terminal of the second transistor is connected to a first potential via the third transistor, and an anode of the light emitting element is connected to a second potential via the fifth transistor.
19. The display device of claim 11 , wherein at least one of the plurality of pixels includes a first transistor, a second transistor, and a pixel capacitor, the first transistor is configured to supply a video signal to the pixel capacitor, the second transistor is configured to drive the light emitting element according to the video signal, and the driving circuit is configured to supply a scan signal to a gate terminal of the first transistor.
20. The display device of claim 19 , wherein at least one of the plurality of pixels further includes a third transistor, a fourth transistor, and fifth transistor, a gate terminal of the second transistor is connected to a reference potential via the fourth transistor, a second terminal of the second transistor is connected to a first potential via the third transistor, and an anode of the light emitting element is connected to a second potential via the fifth transistor.
21. An electronic apparatus comprising the display device according to the claim 11 .
22. A display device, comprising: a plurality of pixels, wherein each pixel comprises a light emitting element; and a driving circuit configured to control selection of pixels, the driving circuit comprising: a logic circuit; and a switch circuit configured to receive a first signal and a second signal, wherein the first signal is associated with at least one line of pixels, wherein the switch circuit comprises a transistor having a gate terminal configured to receive the first signal, a second terminal configured to receive the second signal, and a third terminal coupled to the logic circuit, wherein the second signal has a plurality of pulses, wherein a pulse width of each of the plurality of pulses is shorter than a horizontal scan period, and wherein the transistor is configured to provide a part of the plurality of pulses to the logic circuit when the transistor is conductive state.
23. The display device of claim 22 , wherein the light emitting element is an organic EL device.
24. The display device of claim 22 , wherein the logic circuit comprises an AND gate that generates a scan signal for a first line of pixels.
25. The display device of claim 22 , wherein the switch circuit further comprises an inverter that provides the first signal to the gate terminal of the transistor.
26. The display device of claim 25 , wherein the transistor is a first transistor, and wherein the switch circuit further comprises a second transistor coupled in parallel with the first transistor, wherein the first transistor is a p-type transistor and the second transistor is an n-type transistor.
27. The display device of claim 22 , wherein the logic circuit includes a first input terminal and a second input terminal, the first input terminal is connected to the gate terminal of the transistor, and the second input terminal is connected to the third terminal of the transistor.
28. The display device of claim 27 , wherein the light emitting element is an organic EL device, at least one of the plurality of pixels includes a first transistor, a second transistor, and a pixel capacitor, the first transistor is configured to supply a video signal to the pixel capacitor, the second transistor is configured to drive the light emitting element according to the video signal, and the driving circuit is configured to supply a scan signal to a gate terminal of the second transistor.
29. The display device of claim 28 , wherein at least one of the plurality of pixels further includes a third transistor, a fourth transistor, and fifth transistor, a gate terminal of the second transistor is connected to a first potential via the fourth transistor, a second terminal of the second transistor is connected to a first potential via the third transistor, and an anode of the light emitting element is connected to a second potential via the fifth transistor.
30. The display device of claim 22 , wherein at least one of the plurality of pixels includes a first transistor, a second transistor, and a pixel capacitor, the first transistor is configured to supply a video signal to the pixel capacitor, the second transistor is configured to drive the light emitting element according to the video signal, and the driving circuit is configured to supply a scan signal to a gate terminal of the first transistor.
31. The display device of claim 30 , wherein at least one of the plurality of pixels further includes a third transistor, a fourth transistor, and fifth transistor, a gate terminal of the second transistor is connected to a first potential via the fourth transistor, a second terminal of the second transistor is connected to a first potential via the third transistor, and an anode of the light emitting element is connected to a second potential via the fifth transistor.
32. An electronic apparatus comprising the display device according to the claim 22 .
Unknown
April 5, 2016
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